MESON Chess Problem Database

Problem Display
PID: 263956 (8/6R1/5N2/4k3/3r4/7B/3Q4/7K w - - 0 1)

Postma, Bernardus

Tijdschrift vd KNSB, 1935

8/6R1/5N2/4k3/3r4/7B/3Q4/7K

#2

5 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qg5#
      • 2.Qxd4#
    • 1...Re4
      • 2.Sd7#
  • Keys
    • 1.Qc3!
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD,SBLOCK::S(D)
  • Actual
    • Q(B);P_PINR(a)
    • Vars
      • K(b);N_GUARD,N_SPINR(a),S_CUTR(a),S_FLIGHT::QAB1(B)
      • K(b);N_GUARD,S_FLIGHT,XS(D)::QAB(B),XR(a)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).